From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 12 Nov 2001 18:48:02 +0000 (+0000)
Subject: (C Compiler): AC_C_PROTOTYPES now defines __PROTOTYPES too.
X-Git-Tag: AUTOCONF-2.52g~66
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd7fab58ee31468c74a277a0422a565dbe9b2d5c;p=thirdparty%2Fautoconf.git

(C Compiler): AC_C_PROTOTYPES now defines __PROTOTYPES too.
---

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 6f5e0facc..a60b3c86a 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -4784,9 +4784,11 @@ found in macros such as this:
 @defmac AC_C_PROTOTYPES
 @acindex C_PROTOTYPES
 @cvindex PROTOTYPES
+@cvindex __PROTOTYPES
 @cvindex PARAMS
 Check to see if function prototypes are understood by the compiler.  If
-so, define @samp{PROTOTYPES}.  In the case the compiler does not handle
+so, define @code{PROTOTYPES} and @code{__PROTOTYPES}.
+In the case the compiler does not handle
 prototypes, you should use @code{ansi2knr}, which comes with the
 Automake distribution, to unprotoize function definitions.  For
 function prototypes, you should first define @code{PARAMS}:
@@ -4809,6 +4811,9 @@ size_t my_strlen PARAMS ((const char *));
 @end example
 @end defmac
 
+This macro also defines @code{__PROTOTYPES}; this is for the benefit of
+header files that cannot use macros that infringe on user name space.
+
 @defmac AC_PROG_GCC_TRADITIONAL
 @acindex PROG_GCC_TRADITIONAL
 @ovindex CC